不同光谱指数反演马铃薯叶片氮累积量的研究

韩康, 于静, 石晓华, 崔石新, 樊明寿

Inversion of nitrogen accumulation in potato leaf with different spectral indices

HAN Kang, YU Jing, SHI Xiao-Hua, CUI Shi-Xin, FAN Ming-Shou

表7 马铃薯叶片氮累积量监测模型的检验

Table 7 Examination of monitoring model for nitrogen accumulation in potato leaves

生育时期 Growth stage 均方根误差RMSE (kg hm-2) Exp.2 Exp.3 苗期Seedling stage 6.69 4.04 块茎形成期Tuber formation stage 9.45 10.89 块茎膨大期Tuber expansion stage 13.38 9.12 淀粉积累期Starch accumulation stage 16.18 14.13 全生育时期Total growth stages 13.45 9.17